Resultados de búsqueda - ZENIT~

Regulatory considerations surrounding the deployment of Btexpressing cowpea in Africa: report of the deliberations of an expert panel por Huesing, J.E., Romeis, J., Ellstrand, N.C., Raybould, A., Hellmich, R.L., Wolt, J.D., Ehlers, J.D., Dabiré-Binso, L.C., Fatokun, C.A., Hokanson, K.E., Ishiyaku, M.F., Margam, V.M., Obokoh, N., Mignouna, J.D., Nang’ayo, F., Ouédraogo, J.T., Pasquet, R.S., Pittendrigh, Barry Robert, Schall, B.A., Stein, J., Tamo, Manuele, Murdock, L.L.

“…Development of Bt-cowpea through genetic modification (GM) to control the legume pod borer is a promising approach to cowpea improvement. …”
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Developing cassava cultivars based on farmers needs and on the agroecological conditions of northwestern Cameroon por Christine, Z., Richard, C., Urs, S., Peter, N., Hanna, R.

“…The commonly practiced exchange of planting materialamong farmers will encourage the fast and effective dissemination of new genetic material…”
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Generation of cell suspensions of East African highland bananas through scalps por Sadik, K., Rubaihayo, P.R., Magambo, M., Pillay, M.

“…The improvement of East African highland bananas (EAHBs) using conventional breeding methods is difficult due to their biology and therefore focus on improving them has shifted to exploring methods for establishment of embryogenic cell suspensions, which can then be targeted, for genetic transformation. Shoots of four cultivars namely ‘Musakala’, ‘Kibuzi’, ‘Mbwazirume’ and ‘Lwadungu’ were transferred to a multiplication media modified by adding a combination of N6-benzylaminopurine (BAP) and thidiazuron (TDZ) at concentrations of 24.8/0.45, 16.2/1.14, 14.4/3.50, 12.4/4.55, 10/5.68 mM for scalp generation. …”
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Evolution of quality standards in plant cryobanks - The International Potato Center as a case study por Vollmer, R., Ellis, David, Barkley, N.A.

“…It was concluded that the International Potato Center has built up a quality system for cryobanking that has integrated the key components for good cryobanking of Plant Genetic Resources.…”
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Signatures of positive selection in African Butana and Kenana dairy zebu cattle por Bahbahani, Hussain, Salim, B., Almathen, F., Al Enezi, F., Mwacharo, Joram M., Hanotte, Olivier H.

“…Aiming to understand their genome structure, we genotyped 25 individuals from each breed using the Illumina BovineHD Genotyping BeadChip. Genetic structure analysis shows that both breeds have an admixed genome composed of an even proportion of indicine (0.75 ± 0.03 in Butana, 0.76 ± 0.006 in Kenana) and taurine (0.23 ± 0.009 in Butana, 0.24 ± 0.006 in Kenana) ancestries. …”
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Containment studies of transgenic mosquitoes in disease endemic countries: The broad concept of facilities readiness por Quinlan, M. Megan, Birungi, Josephine, Coulibaly, Mamadou B., Diabaté, Abdoulaye, Facchinelli, Luca, Mukabana, Wolfgang R., Mutunga James M., Nolan, Tony, Raymond, Peter, Traoré, Sékou F.

“…Genetic strategies for large scale pest or vector control using modified insects are not yet operational in Africa, and currently rely on import of the modified strains to begin preliminary, contained studies. …”
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Physical, chemical, and water absorption characterisitics of tropical maize hybrids por Maziya-Dixon, B.B., Kling, J., Okoruwa, A.

“…Nearly all the hybrids had fat content values which were higher than those reported elsewhere for normal maize. The presence of genetic variation among the hybrids suggests that potentials exist for improvement of grain quality to suit specific processing and food use requirements through selection and breeding. …”
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Natural regeneration as a tool for large-scale forest restoration in the tropics: prospects and challenges por Chazdon, R.L., Guariguata, Manuel R.

“…The self‐organizing processes that create naturally regenerating forests and natural regeneration in planted forests promote local genetic adaptation, foster native species with known traditional uses, create spatial and temporal heterogeneity, and sustain local biodiversity and biotic interactions. …”
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KSTP 94, an open-pollinated maize variety has postattachment resistance to purple witchweed (Striga hermonthica) por Mutinda, S.M., Masanga, J., Mutuku, Josiah M., Runo, S., Alakonya, A.E.

“…We therefore conclude that in addition to preattachment resistance, KSTP 94 exhibits postattachment resistance to S. hermonthica and could therefore be a good genetic source for postattachment resistance breeding.…”
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Independent inheritance of Striga and Alectra resistance in cowpea genotype B301 por Atokple, I., Singh, B., Emechebe, A.

“…A landrace of cowpea from Botswana, B301, is resistant to both parasites and genetic studies have revealed a single dominant gene for striga resistance and duplicate dominant genes for alectra resistance. …”
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Grouping locations for efficient cassava evaluation in Malawi por Mkumbira, J., Mahungu, N.M., Gullberg, U.

“…The authors conclude that cassava genetic improvement will continue to be slow if Malawi is used as a single breeding zone. …”
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Exploring genebank for identification of biotic–abiotic combined tolerance in wild Phaseolus por Mosquera Cifuentes, Gloria Maria, Cotes, Carlos, Arredondo, Victoria, Beebe, Stephen E., Barrera, Santos

“…In order to address these limitations, it is necessary to find new genetic variants that could be used by breeding programs to develop better varieties resilient to climate change. …”
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Groundnut (Arachis hypogaea L.) and cowpea (Vigna unguiculata L. Walp) growing in Ethiopia are nodulated by diverse rhizobia por Degefu, Tulu, Woldemeskel, Endalkachew, Ataro, Zikie, Fikre, Asnake, Amede, Tilahun, Ojiewo, Christopher Ochieng

“…To elucidate the precise taxonomic positions of the isolates, further genetic studies are required using modern molecular biological methods.…”
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Genome-wide identification, expression profiling, and target gene analysis of microRNAs in the Onion thrips, Thrips tabaci Lindeman (Thysanoptera:Thripidae), vectors of tospoviruse... por Balan, R.K., Ramasamy, A., Hande, R.H., Gawande, S.J., Krishna Kumar, N.K.

“…Functional classification of the targets for these miRNAs predicted that majority are involved in regulating transcription, translation, signal transduction and genetic information processing. The higher expression of few miRNAs (such as tta‐miR‐281, tta‐miR‐184, tta‐miR‐3533, tta‐miR‐N1, tta‐miR‐N7, and tta‐miR‐N9) in T. tabaci pupal and adult stages reflected their possible role in larval and adult development, metamorphosis, parthenogenesis, and reproduction. …”
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Revealing the Complete Chloroplast Genome of an Andean Horticultural Crop, Sweet Cucumber (Solanum muricatum), and Its Comparison with Other Solanaceae Species por Saldaña Serrano, Carla Lizet, Chávez Galarza, Julio César, De la Cruz, Germán, Jhoncon, Jorge H., Guerrero Abad, Juan Carlos, Vásquez Pérez, Héctor Vladimir, Maicelo Quintana, Jorge Luis, Arbizu Berrocal, Carlos Irvin

“…We expect to provide useful molecular data to shed light on the genetic diversity within sweet cucumber landrace, and also to determine the evolutionary processes in S. muricatum.…”
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Revealing the complete chloroplast genome of an Andean horticultural crop, sweet cucumber (Solanum muricatum), and its comparison with other Solanaceae species por Saldaña Serrano, Carla Lizet, Chávez Galarza, Julio César, De la Cruz, Germán, Jhoncon, Jorge H., Guerrero Abad, Juan Carlos, Vásquez Pérez, Héctor Vladimir, Maicelo Quintana, Jorge Luis, Arbizu Berrocal, Carlos Irvin

“…We expect that this first sweet cucumber chloroplast genome will provide potential molecular markers and genomic resources to shed light on the genetic diversity and population studies of S. muricatum, which will allow us to identify varieties and ecotypes. …”
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Arbuscular mycorrhizal fungi associated with Myrciaria dubia in the Amazonia Region, Peru por Pineda Lázaro, Alexandra Jherina, Vallejos Tapullima, Adelaide S., Hernández Amasifuen, Angel David, Carballar Hernández, Santos, Imán Correa, Sixto Alfredo, Carvajal Vallejos, Fernando Marcelo, Ríos Ramírez, Orlando, Corazon Guivin, Mike Anderson

“…Likewise, the molecular analysis detected the presence of genetic material (rDNA) corresponding to AMF in the roots of both accessions. …”
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Low seed viability and germination in Polylepis flavipila hinder forest restoration: The role of seed mass and maternal effects por Huayta Hinojosa, L. David, Quispe Melgar, Harold Rusbelth, Lagones Poma, Katherine Lucero, Llacua Tineo, Yashira Stefani, Ames Martínez, Fressia Nathalie, Renison, Daniel

“…Seed physiological quality is usually determined by the interaction between genetics and the mother tree’s environment, as well as by intrinsic characteristics, such as seed mass. …”
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Mitogenome and Nuclear-encoded Fungicide-target Genes of Thecaphora frezii - Causal Agent of Peanut Smut por Arias, Renee S., Cazon, Luis Ignacio, Massa, Alicia N., Scheffler, Brian E., Sobolev, Victor S., Lamb, Marshall C., Duke, Mary V., Simpson, Sheron A., Conforto, Erica Cinthia, Paredes, Juan Andrés, Soave, Juan H., Buteler, Mario I., Rago, Alejandro Mario

“…Fungicides have shown ineffective in controlling the disease; whereas research on the molecular basis of that fungicide resistance has been hindered because of the lack of genetic information about T. frezii. The goal of this work was to provide molecular information about fungicide-target loci in T. frezii, including its mitochondrial genome (mitogenome) and critical nuclear-encoded genes. …”
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Detecting sources of resistance to multiple diseases in Argentine maize (Zea mays L.) germplasm por Kistner, María Belén, Nazar, Lázaro, Montenegro, Lucía Daniela, Cervigni, Gerardo Domingo Lucio, Galdeano, Ernestina, Iglesias, Juliana

“…Significant genotypic variation and high heritabilities were found for all disease resistances. …”
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